Endosulfan (C9H6Cl6O3S)

6,7,8,9,10,10-hexachloro-1,5,5a,6,9,9a-hexahydro-6,9-methano-2,4,3-benzodioxathiepine-3-oxide

Other names

Thiodan, Thionex, Phaser, Benzoepin

CAS Number

115-29-7

Properties

• white, pungent smelling crystals

Main sources

• insecticide and acaricide (cyclodiene group)
• agriculture
• horticulture
• forestry
• tsetse fly control
  

Thresholds for the reporting requirement of facilities in accordance with Annex 2 PRTRO

(Ordinance on the Register relating to Pollutant Release and the Transfer of Waste and of Pollutants in Waste Water)

• Air                -
• Water          1 kg/year
• Soil              1 kg/year

Impacts

• neurotoxic
• suspected endocrine inhibiting effect and reproductive toxicity (harms sexual functions and fertility, developmental defects in offspring)
• suspected carcinogenic effect
• very toxic to aquatic organisms
• high degree of accumulation in fish
• high durability and dispersal range in the environment
  

Measures

• banned since 2009 in Switzerland
• included on the list of banned substances by the Stockholm Convention in April 2011